<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
    <title>主界面</title>
    <style>
        #main{
            display: flex;
            flex-wrap: nowrap;
        }
        #main #left{
            width: 250px;
            overflow: hidden;
        }
        #main #right{

        }
    </style>
</head>
<body>
<%--<%@include file="/checkLogin.jsp"%>--%>
<jsp:include page="checkLogin.jsp"/>
 <div id="main">
     <div id="left">
         <ul>
             <li><a href="students.jsp" target="mainFrame">学生管理</a> </li>
             <li><a href="students.html" target="mainFrame">学生管理(ajax)</a> </li>
             <li><a href="#" target="mainFrame">课程管理</a> </li>
             <li><a href="grade" target="mainFrame">年级管理</a> </li>
             <li><a href="#" target="mainFrame">成绩管理</a> </li>
         </ul>
     </div>
     <div id="right">
         <iframe src="web1/welcome.jsp" name="mainFrame" frameborder="0" width="900px" height="700px"></iframe>
     </div>
 </div>
</body>
</html>
